CN102386770A - 开关调整器控制电路、开关调整器及电子设备 - Google Patents

开关调整器控制电路、开关调整器及电子设备 Download PDF

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Publication number
CN102386770A
CN102386770A CN2011102344772A CN201110234477A CN102386770A CN 102386770 A CN102386770 A CN 102386770A CN 2011102344772 A CN2011102344772 A CN 2011102344772A CN 201110234477 A CN201110234477 A CN 201110234477A CN 102386770 A CN102386770 A CN 102386770A
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CN
China
Prior art keywords
time
switching signal
switching
circuit
rising edge
Prior art date
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Pending
Application number
CN2011102344772A
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English (en)
Chinese (zh)
Inventor
桥口慎吾
原英夫
梅本清贵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm Co Ltd
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Rohm Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of CN102386770A publication Critical patent/CN102386770A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F5/00—Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/008—Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Dc-Dc Converters (AREA)
CN2011102344772A 2010-08-25 2011-08-16 开关调整器控制电路、开关调整器及电子设备 Pending CN102386770A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010187994A JP2012050191A (ja) 2010-08-25 2010-08-25 スイッチングレギュレータ
JP2010-187994 2010-08-25

Publications (1)

Publication Number Publication Date
CN102386770A true CN102386770A (zh) 2012-03-21

Family

ID=44532676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011102344772A Pending CN102386770A (zh) 2010-08-25 2011-08-16 开关调整器控制电路、开关调整器及电子设备

Country Status (6)

Country Link
US (1) US20120049821A1 (ja)
EP (1) EP2424096A2 (ja)
JP (1) JP2012050191A (ja)
KR (1) KR20120024454A (ja)
CN (1) CN102386770A (ja)
TW (1) TW201244354A (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102970093A (zh) * 2012-11-02 2013-03-13 中国电子科技集团第四十一研究所 兼容多种时钟的同步系统及其同步方法
CN103532384A (zh) * 2012-11-02 2014-01-22 成都芯源系统有限公司 一种开关模式电源及其频率控制方法和控制电路
TWI470908B (zh) * 2012-08-21 2015-01-21 Upi Semiconductor Corp 控制電路、時間計算單元及控制電路操作方法
CN105164598A (zh) * 2013-03-15 2015-12-16 沃尔泰拉半导体公司 具有多个晶体管的电压调节器
CN106533135A (zh) * 2016-11-08 2017-03-22 成都芯源系统有限公司 恒定导通时间控制电路及其控制的直流‑直流变换器
CN109936893A (zh) * 2017-12-19 2019-06-25 Aptiv技术有限公司 车辆车前灯照明系统及其控制方法
CN110098735A (zh) * 2016-08-31 2019-08-06 杰华特微电子（杭州）有限公司 一种开关电路的控制方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013086445A1 (en) * 2011-12-09 2013-06-13 The Regents Of The University Of California Switched-capacitor isolated led driver
US9071142B2 (en) * 2012-06-22 2015-06-30 Monolithic Power Systems, Inc. Multi-phase SMPS with load transient control and associated control method
TWI452458B (zh) * 2012-06-25 2014-09-11 Richtek Technology Corp 具有多重時脈信號頻率設定模式的切換式穩壓器控制電路
JP6072480B2 (ja) * 2012-09-19 2017-02-01 サイプレス セミコンダクター コーポレーション 調整装置、および調整方法
US9106075B2 (en) 2013-03-12 2015-08-11 Alpha And Omega Semiconductor Incorporated Fault tolerant power supply incorporating intelligent gate driver-switch circuit to provide uninterrupted power
US9367111B2 (en) 2013-03-12 2016-06-14 Alpha And Omega Semiconductor Incorporated Fault tolerant power supply incorporating intelligent load switch to provide uninterrupted power
JP2015089260A (ja) * 2013-10-31 2015-05-07 株式会社デンソー 負荷駆動装置
US11196334B2 (en) * 2017-07-31 2021-12-07 Rohm Co., Ltd. Current sense circuit
US10218366B1 (en) 2017-11-27 2019-02-26 Linear Technology Holding Llc Phase locked loop calibration for synchronizing non-constant frequency switching regulators
US11394299B2 (en) * 2018-10-23 2022-07-19 Texas Instruments Incorporated Common control for multiple power converter operation modes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6476589B2 (en) * 2001-04-06 2002-11-05 Linear Technology Corporation Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop
CN100461595C (zh) * 2005-12-20 2009-02-11 富士通微电子株式会社 用于dc-dc变换器的控制电路和控制方法
US7714549B2 (en) * 2004-10-29 2010-05-11 Rohm Co., Ltd. Switching regulator control circuit, switching regulator using the circuit, and switching signal generating apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3784326B2 (ja) 2002-01-17 2006-06-07 ローム株式会社 Ｄｃ／ｄｃスイッチングコンバータ
JP3636321B2 (ja) 2002-04-24 2005-04-06 ローム株式会社 スイッチング電源装置
JP2006046372A (ja) 2004-07-30 2006-02-16 Nsk Ltd リニアガイド装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6476589B2 (en) * 2001-04-06 2002-11-05 Linear Technology Corporation Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop
US7714549B2 (en) * 2004-10-29 2010-05-11 Rohm Co., Ltd. Switching regulator control circuit, switching regulator using the circuit, and switching signal generating apparatus
CN100461595C (zh) * 2005-12-20 2009-02-11 富士通微电子株式会社 用于dc-dc变换器的控制电路和控制方法

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI470908B (zh) * 2012-08-21 2015-01-21 Upi Semiconductor Corp 控制電路、時間計算單元及控制電路操作方法
US9231470B2 (en) 2012-08-21 2016-01-05 Upi Semiconductor Corporation Control circuit, time calculating unit, and operating method for control circuit
CN103532384B (zh) * 2012-11-02 2016-05-25 成都芯源系统有限公司 一种开关模式电源及其频率控制方法和控制电路
CN102970093B (zh) * 2012-11-02 2015-12-16 中国电子科技集团第四十一研究所 兼容多种时钟的同步系统及其同步方法
CN103532384A (zh) * 2012-11-02 2014-01-22 成都芯源系统有限公司 一种开关模式电源及其频率控制方法和控制电路
CN102970093A (zh) * 2012-11-02 2013-03-13 中国电子科技集团第四十一研究所 兼容多种时钟的同步系统及其同步方法
CN105164598A (zh) * 2013-03-15 2015-12-16 沃尔泰拉半导体公司 具有多个晶体管的电压调节器
CN105164598B (zh) * 2013-03-15 2017-09-12 沃尔泰拉半导体公司 具有多个晶体管的电压调节器
CN110098735A (zh) * 2016-08-31 2019-08-06 杰华特微电子（杭州）有限公司 一种开关电路的控制方法
CN110098735B (zh) * 2016-08-31 2020-10-09 杰华特微电子（杭州）有限公司 一种开关电路的控制方法
CN106533135A (zh) * 2016-11-08 2017-03-22 成都芯源系统有限公司 恒定导通时间控制电路及其控制的直流‑直流变换器
CN109936893A (zh) * 2017-12-19 2019-06-25 Aptiv技术有限公司 车辆车前灯照明系统及其控制方法
CN109936893B (zh) * 2017-12-19 2021-05-11 Aptiv技术有限公司 车辆车前灯照明系统及其控制方法

Also Published As

Publication number Publication date
JP2012050191A (ja) 2012-03-08
US20120049821A1 (en) 2012-03-01
EP2424096A2 (en) 2012-02-29
TW201244354A (en) 2012-11-01
KR20120024454A (ko) 2012-03-14

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Application publication date: 20120321